search for: fulldat

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2009 Apr 25
2
plm Hausman-Taylor model
...p(PSID1982) => cross section data for 1982 only Need panel data I guess R> ## found full set on STATA web site R> ## http://www.stata-press.com/data/r10/psidextract.dta R> ## STATA results in Sec 2 of: folk.uio.no/erikbi/ECON5120_H07_Note19.pdf R> library("foreign") R> fulldat <- read.dta("~/Desktop/psidextract.dta") R> library("plm") R> R> fulldat.plm = plm.data(fulldat,index=c("id","t")) R> R> earn_plm <- plm(lwage~ occ+ south+ smsa+ ind+ exp+ exp2+ wks+ + ms+ union+ fem+ blk+ ed | exp+ exp2+...
2003 Feb 27
2
epoch time conversion in R
I have a data file where each entry is indexed by the time in seconds since epoch (e.g. 1046315697). Is there an easy way to convert this time value into a more friendly time (such as Month-Year) when plotting it? I searched through the manual, mailing lists, and functions like as.POSIXct and strptime, but didn't find what I need. Thanks, Sharad.